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Vulnerability record · CVE-2022-36555 · published 29 August 2022

CVE-2022-36555: Hytec hwl-2511-ss firmware inadequate encryption strength vulnerability

Hytec · Hwl 2511 Ss Firmware

Hytec Inter HWL-2511-SS v1.05 and below implements a SHA512crypt hash for the root account which can be easily cracked via a brute-force attack.

9.8 CVSS 3.1 Critical EPSS 0.70% · top 48.6% CWE-326 · Inadequate encryption strength
9.8CVSS 3.1 base score
0.70%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Hytec Inter HWL-2511-SS v1.05 and below implements a SHA512crypt hash for the root account which can be easily cracked via a brute-force attack.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/Nwqda/b27418ab801eb0b9cdbe8d042cb0249b Broken Link
https://hytec.co.jp/eng/products/our-brand/hwl-2511-ss.html ProductVendor Advisory
https://hytec.co.jp/eng/wordpress/wp-content/uploads/2019/09/hwl-2511-ss-ds.3.0.pdf Vendor Advisory
https://gist.github.com/Nwqda/b27418ab801eb0b9cdbe8d042cb0249b Broken Link
https://hytec.co.jp/eng/products/our-brand/hwl-2511-ss.html ProductVendor Advisory
https://hytec.co.jp/eng/wordpress/wp-content/uploads/2019/09/hwl-2511-ss-ds.3.0.pdf Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-36555), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.